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In this episode, Marwa ElDiwiny interview Peer Fisher, a Professor of Physical Chemistry at the University of Stuttgart and the Director of the Micro Nano and Molecular Systems Lab at the Max Planck Institute for Intelligent Systems. \xa0Fischer discusses micro robots that has been designed to move inside of environments similar to the human body called, "micro swimmers." \xa0He talks about how they are fabricated, powered, and how they can move with light or "nano propellers." \xa0Fischer also discusses simulating human tissue and the future of micro and nano robots, including how they could be a replacement for certain surgeries.